Shaped nozzles for cryogenic buffer-gas beam sources
Lancaster, David M.
Allen, Cameron H.
Taylor, Mckenzie J.
Lancaster, Thomas A.
Hutzler, Nicholas R.
Weinstein, Jonathan D.
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Cryogenic buffer-gas beams are important sources of cold molecules. In this work we explore the use of a converging-diverging nozzle with a buffer-gas beam. We find that, under appropriate circumstances, the use of a nozzle can produce a beam with improved collimation, lower transverse temperatures, and higher fluxes per solid angle.